diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_tex_validate.c')
| l---------[-rw-r--r--] | src/mesa/drivers/dri/i965/intel_tex_validate.c | 266 |
1 files changed, 1 insertions, 265 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_tex_validate.c b/src/mesa/drivers/dri/i965/intel_tex_validate.c index 4c8afd99da..41a75674c2 100644..120000 --- a/src/mesa/drivers/dri/i965/intel_tex_validate.c +++ b/src/mesa/drivers/dri/i965/intel_tex_validate.c @@ -1,265 +1 @@ -/************************************************************************** - * - * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include "mtypes.h" -#include "macros.h" - -#include "intel_context.h" -#include "intel_mipmap_tree.h" -#include "intel_tex.h" -#include "dri_bufmgr.h" - -/** - * Compute which mipmap levels that really need to be sent to the hardware. - * This depends on the base image size, GL_TEXTURE_MIN_LOD, - * GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, and GL_TEXTURE_MAX_LEVEL. - */ -static void intel_calculate_first_last_level( struct intel_texture_object *intelObj ) -{ - struct gl_texture_object *tObj = &intelObj->base; - const struct gl_texture_image * const baseImage = - tObj->Image[0][tObj->BaseLevel]; - - /* These must be signed values. MinLod and MaxLod can be negative numbers, - * and having firstLevel and lastLevel as signed prevents the need for - * extra sign checks. - */ - int firstLevel; - int lastLevel; - - /* Yes, this looks overly complicated, but it's all needed. - */ - switch (tObj->Target) { - case GL_TEXTURE_1D: - case GL_TEXTURE_2D: - case GL_TEXTURE_3D: - case GL_TEXTURE_CUBE_MAP: - if (tObj->MinFilter == GL_NEAREST || tObj->MinFilter == GL_LINEAR) { - /* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL. - */ - firstLevel = lastLevel = tObj->BaseLevel; - } - else { - /* Currently not taking min/max lod into account here, those - * values are programmed as sampler state elsewhere and we - * upload the same mipmap levels regardless. Not sure if - * this makes sense as it means it isn't possible for the app - * to use min/max lod to reduce texture memory pressure: - */ - firstLevel = tObj->BaseLevel; - lastLevel = MIN2(tObj->BaseLevel + baseImage->MaxLog2, - tObj->MaxLevel); - lastLevel = MAX2(firstLevel, lastLevel); /* need at least one level */ - } - break; - case GL_TEXTURE_RECTANGLE_NV: - case GL_TEXTURE_4D_SGIS: - firstLevel = lastLevel = 0; - break; - default: - return; - } - - /* save these values */ - intelObj->firstLevel = firstLevel; - intelObj->lastLevel = lastLevel; -} - -static GLboolean copy_image_data_to_tree( struct intel_context *intel, - struct intel_texture_object *intelObj, - struct gl_texture_image *texImage, - GLuint face, - GLuint level) -{ - return intel_miptree_image_data(intel, - intelObj->mt, - face, - level, - texImage->Data, - texImage->RowStride, - (texImage->RowStride * - texImage->Height * - texImage->TexFormat->TexelBytes)); -} - -static void intel_texture_invalidate( struct intel_texture_object *intelObj ) -{ - GLint nr_faces, face; - intelObj->dirty = ~0; - - nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; - for (face = 0; face < nr_faces; face++) - intelObj->dirty_images[face] = ~0; -} - -#if 0 -static void intel_texture_invalidate_cb( struct intel_context *intel, - void *ptr ) -{ - intel_texture_invalidate( (struct intel_texture_object *) ptr ); -} -#endif - -/* - */ -GLuint intel_finalize_mipmap_tree( struct intel_context *intel, - struct gl_texture_object *tObj ) -{ - struct intel_texture_object *intelObj = intel_texture_object(tObj); - GLuint face, i; - GLuint nr_faces = 0; - struct gl_texture_image *firstImage; - GLuint cpp = 0; - - if( tObj == intel->frame_buffer_texobj ) - return GL_FALSE; - - /* We know/require this is true by now: - */ - assert(intelObj->base._Complete); - - /* What levels must the tree include at a minimum? - */ - if (intelObj->dirty) { - intel_calculate_first_last_level( intelObj ); -/* intel_miptree_destroy(intel, intelObj->mt); */ -/* intelObj->mt = NULL; */ - } - - firstImage = intelObj->base.Image[0][intelObj->firstLevel]; - - /* Fallback case: - */ - if (firstImage->Border) { - if (intelObj->mt) { - intel_miptree_destroy(intel, intelObj->mt); - intelObj->mt = NULL; - /* Set all images dirty: - */ - intel_texture_invalidate(intelObj); - } - return GL_FALSE; - } - - - - if (firstImage->IsCompressed) { - cpp = intel_compressed_num_bytes(firstImage->TexFormat->MesaFormat); - } else { - cpp = firstImage->TexFormat->TexelBytes; - } - - /* Check tree can hold all active levels. Check tree matches - * target, imageFormat, etc. - */ - if (intelObj->mt && - (intelObj->mt->target != intelObj->base.Target || - intelObj->mt->internal_format != firstImage->InternalFormat || - intelObj->mt->first_level != intelObj->firstLevel || - intelObj->mt->last_level != intelObj->lastLevel || - intelObj->mt->width0 != firstImage->Width || - intelObj->mt->height0 != firstImage->Height || - intelObj->mt->depth0 != firstImage->Depth || - intelObj->mt->cpp != cpp || - intelObj->mt->compressed != firstImage->IsCompressed)) - { - intel_miptree_destroy(intel, intelObj->mt); - intelObj->mt = NULL; - - /* Set all images dirty: - */ - intel_texture_invalidate(intelObj); - } - - - /* May need to create a new tree: - */ - if (!intelObj->mt) { - intelObj->mt = intel_miptree_create(intel, - intelObj->base.Target, - firstImage->InternalFormat, - intelObj->firstLevel, - intelObj->lastLevel, - firstImage->Width, - firstImage->Height, - firstImage->Depth, - cpp, - firstImage->IsCompressed); -#if 0 - /* Tell the buffer manager that we will manage the backing - * store, but we still want it to do fencing for us. - */ - bmBufferSetInvalidateCB(intel, - intelObj->mt->region->buffer, - intel_texture_invalidate_cb, - intelObj, - GL_FALSE); -#endif - } - - /* Pull in any images not in the object's tree: - */ - if (intelObj->dirty) { - nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; - for (face = 0; face < nr_faces; face++) { - if (intelObj->dirty_images[face]) { - for (i = intelObj->firstLevel; i <= intelObj->lastLevel; i++) { - struct gl_texture_image *texImage = intelObj->base.Image[face][i]; - - /* Need to import images in main memory or held in other trees. - */ - if (intelObj->dirty_images[face] & (1<<i) && - texImage) { - - if (INTEL_DEBUG & DEBUG_TEXTURE) - _mesa_printf("copy data from image %d (%p) into object miptree\n", - i, - texImage->Data); - - if (!copy_image_data_to_tree(intel, - intelObj, - texImage, - face, - i)) - return GL_FALSE; - - } - } - } - } - - /* Only clear the dirty flags if everything went ok: - */ - for (face = 0; face < nr_faces; face++) { - intelObj->dirty_images[face] = 0; - } - - intelObj->dirty = 0; - } - - return GL_TRUE; -} +../intel/intel_tex_validate.c
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